:root{--color-primary:#8B2242;--color-primary-hover:#6B1835;--color-primary-soft:#F7EBEF;--color-primary-rgb:139,34,66;--color-accent:#C8F96C;--color-accent-hover:#B8E85C;--color-accent-soft:#F0FBE0;--color-banner-bg:#DBFF99;--color-banner-text:#060606;--color-ink:#060606;--color-ink-soft:#1A1A1A;--color-text:#1A1A1A;--color-text-muted:#6B6B6B;--color-text-subtle:#9B9B9B;--color-border:#E8E8E8;--color-border-strong:#D1D1D1;--color-surface:#FFFFFF;--color-surface-muted:#F5F5F5;--color-surface-soft:#EEEEEE;--color-bg:#FFFFFF;--color-bg-gray:#F5F5F5;--color-success:#22c55e;--color-success-soft:#dcfce7;--color-warning:#f59e0b;--color-warning-soft:#fef3c7;--color-danger:#ef4444;--color-danger-soft:#fee2e2;--pastel-lime:#ECF8CA;--pastel-purple:#F0E0E6;--pastel-blue:#F5E4E8;--pastel-pink:#FBEAEA;--pastel-yellow:#F7E588;--pastel-mint:#D1F2E3;--pastel-peach:#FBE7D9;--pastel-cyan:#E0F9F7;--pastel-lavender:#F0E8F9;--pastel-sky:#E8F4FD;--pastel-rose:#FDE8F0;--brand-mark-from:#A83255;--brand-mark-to:#5C1830;--skillbox-black:#060606;--skillbox-brown:#947E7E;--skillbox-blue:#722F37;--skillbox-yellow:#F7E588;--skillbox-lime:#ECF8CA;--skillbox-purple:#F0E0E6;--skillbox-pink:#FBEAEA;--skillbox-sky:#F5E4E8;--skillbox-cream:#F3E9C9;--skillbox-gray:#8F9396;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-pill:999px;--shadow-sm:0 1px 2px rgba(0,0,0,0.04);--shadow-md:0 4px 12px rgba(0,0,0,0.05);--shadow-lg:0 8px 24px rgba(0,0,0,0.06);--shadow-xl:0 16px 48px rgba(0,0,0,0.08);--shadow-card:0 4px 20px rgba(0,0,0,0.08);--max-width:1200px;--font-sans-fallback:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.font-ui{font-family:var(--font-ui),var(--font-sans-fallback)}.font-display{font-family:var(--font-display),Georgia,"Times New Roman",serif;letter-spacing:-.025em}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body,html{margin:0;padding:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-ui),var(--font-sans-fallback);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.5;letter-spacing:-.01em}body{overflow-x:clip}::selection{background:rgba(var(--color-primary-rgb),.2);color:inherit}a{color:inherit;text-decoration:none;transition:color .15s 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var(--color-border);position:relative;overflow:hidden}.product-hero-cover--image{background-position:50%;background-size:cover;background-repeat:no-repeat}.product-hero-cover--fallback{background:linear-gradient(135deg,var(--pastel-rose),var(--pastel-peach))}.product-hero-cover-fallback-inner{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(var(--color-primary-rgb),.32)}.product-meta-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.product-page-title{font-size:clamp(26px,4.5vw,42px);margin:0 0 16px;letter-spacing:-.025em;color:var(--color-ink);line-height:1.22;font-weight:800}.product-page-lead{font-size:18px;color:var(--color-text-muted);margin:0 0 32px;line-height:1.52}.product-about-heading{margin:0 0 16px;font-size:18px;font-weight:700;color:var(--color-ink)}.product-about-prose{font-size:16px;line-height:1.75;white-space:pre-wrap;color:var(--color-text)}.product-old-price{text-decoration:line-through;color:var(--color-text-subtle);margin-bottom:12px;font-size:16px}.product-author-more-link{margin-top:8px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600}.product-load-error-card{max-width:560px;margin-inline:auto}.product-about-card{padding:clamp(18px,4vw,32px)!important}.product-buy-sidebar{position:-webkit-sticky;position:sticky;top:clamp(76px,12vw,96px);align-self:start;display:flex;flex-direction:column;gap:16px}.product-buy-card.card{padding:clamp(22px,4vw,30px)}.product-price-hero{font-size:clamp(28px,5vw,38px);font-weight:800;color:var(--color-ink);letter-spacing:-.02em;margin-bottom:4px;line-height:1.1}.product-author-card{margin-bottom:16px;padding:14px;border-radius:14px;background:var(--color-surface-muted);display:flex;gap:12px;align-items:center;border:1px 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